Prognostic value of heart rate recovery on coronary heart disease during treadmill exercise
ZHOU Jining
ZUO Jin
YANG Jianxue
WANG Fang
Abstract：Objective To investigate the clinical significance of heart rate recovery (HRR) by treadmill exercise test ( TET) in diagnosis of coronary heart disease ( CHD) .Methods One hundred and ten patients who were suspected coronary heart disease were selected to receive TET examination , and underwent coronary artery angiography ( CAG) 2 week after the TET examination, according to whether implanted stent or not , they were divided into stent implantation group (group A) with 66 cases and non-stent implantation group ( group B) with 44 cases, the TET parameters included section ST , maximum ST/HR slope (ST/HR), HRR, the ratio of systolic blood pressure (rSBP) etc were compared between the two groups .Results In group A, the index of ST segment , ST/RR and rSBP were higher than in group B , the difference was statistically significant ( P <0.05, P <0.01), while HRR was lower than that in group B , the difference was statistically significant ( P <0.01). To compare the diagnostic value of various indexes of TET , ST segment’s highest sensitivity was 93.9%, the sensitivity of rSBP was 90.9%, the maximum ST/HR slope’s sensitivity was 89.4%, the sensitivity of HRR was 87.9%;HRR’s speci-ficity was 90.9%, the correct index was 78.0%.HRR index combined with ST index , maximal ST/HR slope and rSBP, the sensitivity was 90.1%, 86.2%and 85.4%respectively, the specificity was 72.3%, 77.4%and 87.0%respectively.Con-clusion The specificity of HRR is high , combined with other indicators , it can be used for the diagnosis of coronary heart disease.
Keywords：Treadmill exercise testCoronary angiographyCoronary heart diseaseHeart rate recovery
Publication Date：2014-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 1223-1225 )